He's planning skipping Japan's amateur draft to pursue a career in MLB.
http://espn.go.com/mlb/story/_/id/85...ler-opting-mlb
Japanese high school pitcher Shohei Otani says he will pursue a career in Major League Baseball instead of turning professional in Japan.

Shohei Otani, a right-hander whose fastball has surpassed 99 mph, has been scouted by several MLB teams including the Dodgers and Red Sox.
Otani, a 6-foot-4 right-hander who has thrown a fastball between 99 and 100 mph, has been scouted by several major league teams including the Los Angeles Dodgers and Boston Red Sox.